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A full-featured, high precision solar system simulator that calculates the gravitational interactions between all astronomical bodies, so that the motions of asteroids and comets are accurately simulated. Superb interactive 3D viewing is included.

A full-featured, high precision solar system simulator that calculates the gravitational interactions between all astronomical bodies, so that the motions of asteroids and comets are accurately simulated. Superb interactive 3D viewing is included.

Engineer General Tools contains equation calculations, unit conversions and chemistry information for over 4000 chemical compounds. Suitable for students and professionals in the chemical, science, engineering, maths fields.Very handy set of tools.